序號(hào) | 芯數(shù)×標(biāo)稱截面㎜2 | 絕緣厚度規(guī)定值㎜ | 平均外經(jīng)上限㎜ | 20°C時(shí)導(dǎo)體電阻值Ω/km | 70°C時(shí)導(dǎo)體電阻最小值MΩ/km |
1 | 2.5 | 0.8 | 4.1 | 7.41 | 0.011 |
2 | 4 | 0.8 | 4.8 | 4.61 | 0.009 |
3 | 6 | 0.8 | 5.3 | 3.08 | 0.0084 |
4 | 10 | 1 | 6.8 | 1.83 | 0.0072 |
5 | 16 | 1 | 8.1 | 1.15 | 0.0063 |
6 | 25 | 1.2 | 10.2 | 0.727 | 0.0058 |
7 | 35 | 1.2 | 11.7 | 0.524 | 0.0052 |
8 | 50 | 1.4 | 13.9 | 0.387 | 0.0051 |
9 | 70 | 1.4 | 16 | 0.268 | 0.0045 |